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Finding the Fourth Proportional to 48,871.80, 73,307.70 and 23,915.70

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Solution

The fourth proportional to 48,871.80, 73,307.70 and 23,915.70 is: 35,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871.80 : 73,307.70 = 23,915.70 : x
  2. Step 2: Convert to fraction form
    48,871.80/73,307.70 = 23,915.70/x
  3. Step 3: Cross multiply
    48,871.80x = 73,307.70 × 23,915.70
  4. Step 4: Simplify right side
    48,871.80x = 1,753,204,960.89
  5. Step 5: Solve for x
    x = 1,753,204,960.89/48,871.80
  6. Step 6: Final answer
    x = 35,873.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.